Wolffiella Hegelm.
  • Bot. Jahrb. Syst. 21: 303 (1895) 


Notes: Distribution: America, Africa to Arabian Pen.

General Description

Fronds thin, orbicular oblong to linear or falcate; terminal pouche triangular and flat; frond with 1 layer of air spaces; flowers originating in a cavity (2 cavities in W. welwitschii) at the side of the median line of the upper surface of the frond. pistil with 1 atropous ovule.

Diagnostic Description

Free floating aquatic plants, reduced to small, leaf-like, poorly differentiated fronds; roots and veins lacking, crystal cells lacking, seeds nearly smooth. Differs from Wolffia in having fronds flat, with air spaces, daughter fronds produced in a terminal flat pouch and flowers originating in a cavity at the side of the median line of the upper surface.

Distribution

America, Africa.

Distribution Map

 
  • Native distribution
  • Introduced distribution
Found in
  • Africa East Tropical Africa Kenya
  • Tanzania
  • Uganda
  • Northeast Tropical Africa Chad
  • Sudan
  • Northern Africa Egypt
  • South Tropical Africa Angola
  • Malawi
  • Mozambique
  • Zambia
  • Zimbabwe
  • Southern Africa Botswana
  • Cape Provinces
  • KwaZulu-Natal
  • West Tropical Africa Benin
  • Ghana
  • Mali
  • Nigeria
  • Senegal
  • Togo
  • West-Central Tropical Africa Cameroon
  • Central African Republic
  • Rwanda
  • Zaire
  • Asia-Temperate Arabian Peninsula Saudi Arabia
  • Northern America Mexico Mexico Central
  • Mexico Gulf
  • Mexico Northeast
  • Mexico Southeast
  • North-Central U.S.A. Illinois
  • Missouri
  • Oklahoma
  • Northeastern U.S.A. Indiana
  • Masachusettes
  • New Jersey
  • Ohio
  • Pennsylvania
  • Northwestern U.S.A. Washington
  • South-Central U.S.A. Texas
  • Southeastern U.S.A. Alabama
  • Arkansas
  • Delaware
  • District of Columbia
  • Florida
  • Georgia
  • Louisiana
  • Mississippi
  • North Carolina
  • South Carolina
  • Tennessee
  • Virginia
  • Southwestern U.S.A. California
  • Southern America Brazil Brazil North
  • Brazil Northeast
  • Brazil South
  • Brazil Southeast
  • Brazil West-Central
  • Caribbean Cuba
  • Dominican Republic
  • Haiti
  • Jamaica
  • Leeward Is.
  • Puerto Rico
  • Trinidad-Tobago
  • Windward Is.
  • Central America Costa Rica
  • El Salvador
  • Guatemala
  • Honduras
  • Panamá
  • Northern South America French Guiana
  • Guyana
  • Suriname
  • Venezuela
  • Southern South America Argentina Northeast
  • Argentina Northwest
  • Argentina South
  • Chile Central
  • Paraguay
  • Uruguay
  • Western South America Bolivia
  • Colombia
  • Ecuador
  • Peru
Introduced into
  • Asia-Tropical Indian Subcontinent India

  Bibliography

  • 1 Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • 2 Landolt, E. Lemnaceae The Families and Genera of Flowering Plants. 4, (1998).
  • 3 Gardens, K.""Royal Bot World Checklist of Selected Plant Families. (2008).

 Information From

CATE Araceae
http://araceae.e-monocot.org
Haigh, A., Clark, B., Reynolds, L., Mayo, S.J., Croat, T.B., Lay, L., Boyce, P.C., Mora, M., Bogner, J., Sellaro, M., Wong, S.Y., Kostelac, C., Grayum, M.H., Keating, R.C., Ruckert, G., Naylor, M.F. and Hay, A., CATE Araceae, 14 Dec 2011 . 17 Dec 2011.
  • A All Rights Reserved
eMonocot
http://e-monocot.org
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
http://apps.kew.org/wcsp/
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
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